Experimental study of GFRP-concrete hybrid beams with low degree of shear connection

Catalin A. Neagoe; Lluís Gil; Marco A. Pérez

doi:10.1016/j.conbuildmat.2015.10.024

Experimental study of GFRP-concrete hybrid beams with low degree of shear connection

Catalin A. Neagoe^*
, Lluís Gil
, Marco A. Pérez

^*Autor/a de correspondencia de este trabajo

Producción científica: Artículo en revista indizada › Artículo › revisión exhaustiva

59 Citas (Scopus)

Resumen

Recent developments in the design of advanced composite materials for construction have led researchers to create novel high-performance structural elements that combine fiber-reinforced polymer (FRP) shapes with traditional materials. The current study analyzes the experimental structural response of eight hybrid beams made of pultruded glass FRP (GFRP) profiles mechanically connected to reinforced concrete (RC) slabs, suitable for building floors as well as footbridge and marine pier superstructures. The influence of partial interaction is studied by considering a low degree of shear connection and an analytical assessment of the whole response is carried out using previous formulations, highlighting a good accuracy. The behavior of the hybrid beams is further evaluated against that of equivalent reinforced concrete beams and single GFRP profiles, thus proving the feasibility of the solution.

Idioma original	Inglés
Páginas (desde-hasta)	141-151
Número de páginas	11
Publicación	Construction and Building Materials
Volumen	101
DOI	https://doi.org/10.1016/j.conbuildmat.2015.10.024
Estado	Publicada - 30 dic 2015

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title = "Experimental study of GFRP-concrete hybrid beams with low degree of shear connection",

abstract = "Recent developments in the design of advanced composite materials for construction have led researchers to create novel high-performance structural elements that combine fiber-reinforced polymer (FRP) shapes with traditional materials. The current study analyzes the experimental structural response of eight hybrid beams made of pultruded glass FRP (GFRP) profiles mechanically connected to reinforced concrete (RC) slabs, suitable for building floors as well as footbridge and marine pier superstructures. The influence of partial interaction is studied by considering a low degree of shear connection and an analytical assessment of the whole response is carried out using previous formulations, highlighting a good accuracy. The behavior of the hybrid beams is further evaluated against that of equivalent reinforced concrete beams and single GFRP profiles, thus proving the feasibility of the solution.",

keywords = "Analytical assessment, Composite beam, Concrete, Flexural behavior, Partial interaction, Pultruded FRP, Shear connection",

author = "Neagoe, \{Catalin A.\} and Llu{\'i}s Gil and P{\'e}rez, \{Marco A.\}",

note = "Funding Information: The presented work is part of research project COMPOBEAM – Researching the flexural behavior of mixed beams made from concrete and GFRP profiles , developed at CER LITEM/UPC-BarcelonaTech . The authors would like to acknowledge the financial support from PIGRA Engineering S.L. through CDTI. The first author is also grateful for the financial aid provided by the FPI-UPC doctoral scholarship. Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd. All rights reserved.",

year = "2015",

month = dec,

day = "30",

doi = "10.1016/j.conbuildmat.2015.10.024",

language = "English",

volume = "101",

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journal = "Construction and Building Materials",

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AU - Neagoe, Catalin A.

AU - Gil, Lluís

AU - Pérez, Marco A.

N1 - Funding Information: The presented work is part of research project COMPOBEAM – Researching the flexural behavior of mixed beams made from concrete and GFRP profiles , developed at CER LITEM/UPC-BarcelonaTech . The authors would like to acknowledge the financial support from PIGRA Engineering S.L. through CDTI. The first author is also grateful for the financial aid provided by the FPI-UPC doctoral scholarship. Publisher Copyright: © 2015 Elsevier Ltd. All rights reserved.

PY - 2015/12/30

Y1 - 2015/12/30

N2 - Recent developments in the design of advanced composite materials for construction have led researchers to create novel high-performance structural elements that combine fiber-reinforced polymer (FRP) shapes with traditional materials. The current study analyzes the experimental structural response of eight hybrid beams made of pultruded glass FRP (GFRP) profiles mechanically connected to reinforced concrete (RC) slabs, suitable for building floors as well as footbridge and marine pier superstructures. The influence of partial interaction is studied by considering a low degree of shear connection and an analytical assessment of the whole response is carried out using previous formulations, highlighting a good accuracy. The behavior of the hybrid beams is further evaluated against that of equivalent reinforced concrete beams and single GFRP profiles, thus proving the feasibility of the solution.

AB - Recent developments in the design of advanced composite materials for construction have led researchers to create novel high-performance structural elements that combine fiber-reinforced polymer (FRP) shapes with traditional materials. The current study analyzes the experimental structural response of eight hybrid beams made of pultruded glass FRP (GFRP) profiles mechanically connected to reinforced concrete (RC) slabs, suitable for building floors as well as footbridge and marine pier superstructures. The influence of partial interaction is studied by considering a low degree of shear connection and an analytical assessment of the whole response is carried out using previous formulations, highlighting a good accuracy. The behavior of the hybrid beams is further evaluated against that of equivalent reinforced concrete beams and single GFRP profiles, thus proving the feasibility of the solution.

KW - Analytical assessment

KW - Composite beam

KW - Concrete

KW - Flexural behavior

KW - Partial interaction

KW - Pultruded FRP

KW - Shear connection

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VL - 101

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JO - Construction and Building Materials

JF - Construction and Building Materials

ER -

Experimental study of GFRP-concrete hybrid beams with low degree of shear connection

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